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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax(925)252-9269 <br /> "When Qrrrr/ill'Cuunls' <br /> http://www.mccampbell.com/E-mail:nudn@niccampbeH.com <br /> Quality Control Report <br /> Client: GeoRestoration,Inc. WorkOrder: 1407082 <br /> Date Prepared: 7/17/14 BatchID: 92881 <br /> Date Analyzed: 7/18/14 Extraction Method: E200.8 <br /> Instrument: ICP-MS1 Analytical Method: E200.8 <br /> Matrix: Water Unit: µg/L <br /> Project: #1163-3;Metalsa Sample ID: MB/LCS-92881 <br /> 1407612-001 AMS/MSD <br /> QC Summary Report for E200.8 <br /> Analyte MS MSD SPK SPKRef MS MSD MSIMSD RPD RPD <br /> Result Result Val Val %REC %REC Limits Limit <br /> Antimony 50.3 52.6 50 ND 101 105 70-130 4.45 20 <br /> Arsenic 54.3 54.5 50 ND 109 109 70-130 0 20 <br /> Barium 558 587 500 63 99 105 70-130 5.02 20 <br /> Beryllium 55.9 60.9 50 ND 112 122 70-130 8.61 20 <br /> Cadmium 49.9 51.8 50 ND 99.8 104 70-130 3.79 20 <br /> Chromium 55.3 55.6 50 5.2 100 101 70-130 0.397 20 <br /> Cobalt 48.4 51.4 50 ND 96.9 103 70-130 5.85 20 <br /> Copper 55.7 56.3 50 5.0 102 103 70-130 1.09 20 <br /> Lead 49.9 52.3 50 ND 99.7 105 70-130 4.76 20 <br /> Mercury 1.42 1.51 1.25 0.044 110 117 70-130 5.92 20 <br /> Molybdenum 50.0 52.1 50 ND 100 104 70-130 4.13 20 <br /> Nickel 51.3 52.2 50 0.87 101 103 70-130 1.74 20 <br /> Selenium 91.5 93.5 50 37.97 107 111 70-130 2.12 20 <br /> Silver 48.8 50.7 50 1.4 94.8 98.7 70-130 3.96 20 <br /> Thallium 49.8 51.6 50 ND 99.5 103 70-130 3.57 20 <br /> Vanadium 56.3 57.0 50 5.0 103 104 70-130 1.18 20 <br /> Zinc 538 536 500 9.7 106 105 70-130 0.242 20 <br /> Surrogate Recovery <br /> Tb 350.917 726 747 750 97 100 70-130 2.87 20 <br /> CDPH ELAP 1644 NELAP 4033ORELAP QA/QC Officer <br /> Page 5 of 8 <br />